Question

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new question for u ❗️❗️
➡️what is covalency
➡️covolency of hydrogen in reaction H+H=H‹2(g)


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Answer 1

Ionic bonding typically occurs when it is easy for one atom to lose one or more electrons and another atom to gain one or more electrons. However, some atoms won’t give up or gain electrons easily. Yet they still participate in compound formation. How?

There is another mechanism for obtaining a complete valence shell: sharing electrons. When electrons are shared between two atoms, they make a bond called a covalent bond.

Let us illustrate a covalent bond by using H atoms, with the understanding that H atoms need only two electrons to fill the 1s subshell. Each H atom starts with a single electron in its valence shell:

Ionic bonding typically occurs when it is easy for one atom to lose one or more electrons and another atom to gain one or more electrons. However, some atoms

There is another mechanism for obtaining a complete valence shell: sharing electrons. When electrons are shared between two atoms, they make a bond called a covalent bond.

Answer 2

HEY DEAR MATE!
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$\boxed{YOUR ANSWER}$

The covalency of an atom is the number of electrons it shares with other atoms when forming chemical bonds.

Since H atom has only 1 s orbital and one unpaired electron, it can share only 2 electrons in making covalent bond. Thus Hydrogen has a maximum covalency of H atom is 2/2 = 1
Covalency of hydrogen is 1.
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